Fuel fired supplementary heater for heat pump

Details Fuel fired supplementary heater for heat pump Fuel fired supplementary heater for heat pump

1978-06-23

1980-03-04

King, Lloyd L.

Refrigeration

Processes

Exchanging heat between plural systems, e.g., disparate

62238, 62324, 165 29, F25B 700, F25B 2702, F25B 1300, F25B 2900

Patent

active

041910230

ABSTRACT:
A heat pump is disclosed which has a compressor, an indoor condenser (for winter heating), outdoor evaporator (for winter heating) and piping for flowing a refrigerant between the compressor, the condenser and the evaporator. A second refrigerant loop is formed which bypasses the compressor and communicates with the condenser outlet and intake. A liquid metering pump flows liquid refrigerant from the outlet of the condenser via a fuel, e.g. liquid petroleum gas fired refrigerant vaporizer back to the condenser intake so that auxiliary heat from the burner for heating an indoor space by feeding to the condenser heated refrigerant vapor in addition to the refrigerant vapor supplied to the condenser by the compressor.

REFERENCES:
patent: 3777508 (1973-12-01), Imabayashi et al.
patent: 4055963 (1977-11-01), Shoji et al.

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